//package com.interceptor;
//
//import com.pojo.Users;
//import com.service.UsersService;
//import org.springframework.beans.factory.annotation.Autowired;
//import org.springframework.stereotype.Component;
//import org.springframework.web.servlet.HandlerInterceptor;
//import org.springframework.web.servlet.ModelAndView;
//
//import javax.servlet.http.HttpServletRequest;
//import javax.servlet.http.HttpServletResponse;
//import javax.servlet.http.HttpSession;
//
//@Component
//public class LoginInterceptor implements HandlerInterceptor {
//    @Autowired
//    private UsersService usersService;
//    @Override
//    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
//        HttpSession session = request.getSession();
//        String userid= (String) session.getAttribute("userid");
//        Users user=usersService.getUsersById(userid);
//        System.out.println(user);
//        if (user==null){
//            return false;
//        }else {
//            return true;
//        }
//    }
//
//
//    @Override
//    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
//        System.out.println("postHandle...");
//    }
//
//
//    @Override
//    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
//        System.out.println("after...");
//    }
//
//}
